gaoyunhaii commented on a change in pull request #7368: [FLINK-10742][network]
Let Netty use Flink's buffers directly in credit-based mode
URL: https://github.com/apache/flink/pull/7368#discussion_r390719053
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File path:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/netty/CreditBasedPartitionRequestClientHandlerTest.java
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@@ -443,10 +587,13 @@ private static BufferResponse createBufferResponse(
// Skip general header bytes
serialized.readBytes(NettyMessage.FRAME_HEADER_LENGTH);
- // Deserialize the bytes again. We have to go this way, because
we only partly deserialize
- // the header of the response and wait for a buffer from the
buffer pool to copy the payload
- // data into.
- BufferResponse deserialized =
BufferResponse.readFrom(serialized);
+ // Deserialize the bytes again. We have to go this way to
ensure the data buffer part
+ // is consistent with the input channel sent to.
Review comment:
I think the previous comments is trying to explain why it needs to
deserialize the bytes again: since it need to reach the state that the message
is deserialized but not copied to a Flink Buffer yet. I thought that the
comment might not be consistent with current implementation.
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